American Jacob Joiner soars up the World Amateur Golf RankingTM after winning the Carpet Capital Collegiate. The Georgia Tech player entered the tournament ranked 1,239th, but defeated a stellar field to win his first college event.

The second year student was playing on home turf at The Farm Golf Club in Rocky Face, Georgia. He fashioned an opening 6-under-par 66 to take the lead. Further scores of 74 and 72 gave him a 4-under-par total of 212 and a one-shot victory. Joiner jumps 951 places to 288th.

Martino finally finds winner’s circle

Vincent Martino won his first college tournament in his final season at the University of Houston when he returned a 54-hole total of 213, 3-under, in the Northern Intercollegiate. A second round 6-under-par 66 paved the way to victory. A closing 1-over-par 73 to go with an opening 74 gave him the title by a one shot. Martino climbs 317 rankings to 711th.

Top 20 movers

American Jack Maguire is the only new top 20 player with a move of one place to 20th.

Top 50 movers

Five players move into the world top 50. Stefano Mazzoli of Italy moves to 39th from last week’s position at 51st. Former U.S. Junior champion Will Zalatoris advances 14 rankings to 40th. Scotland’s Jack McDonald, a member of the victorious Great Britain & Ireland Walker Cup team, rises 23 spots to 47th.

Scott Fernandez of Spain jumps 16 places to 49th. American George Cunningham edges up two spots to 50th.

Biggest ranking improvement

Connor Flach of the United States is the biggest riser, moving 1,379 places to world number 3,729 after finishing fourth in the Rod Myers Invitational.

The Women

Performances of the week

Ricolfi breaks into top 70 with royal win

Italy’s Carlotta Ricolfi moves into the top 70 of the World Amateur Golf RankingTM by winning the Duke Of York Young Champions Trophy at Prince’s Golf Club in Kent, England. Ricolfi opened with a 67 and added rounds of 75 and 74 to finish as the leading female with a score of 217. She improves 18 places this week to 68th.

McCurdy blossoms in Sunflower event

Lindsey McCurdy of the United States rises 89 places to 232nd after a closing 6-under-par 66 won her the Marilynn Smith Sunflower Invitational. The Southern Methodist University student birdied five of the last nine holes. Her 54-hole total of 214, 2-under-par, gave her the title by a stroke over Avery George of the University of Middle Tennessee. George improves 38 rankings to world number 115.

Ashok breaks into top 30

India’s Aditi Ashok continued her impressive season by winning the Thailand Amateur Open. Ashok, winner of the St Rule Trophy and Ladies British Amateur Open Stroke Play Championship this year, advances four rankings to 29th.

Top 20 movers

England’s Hayley Davis is the only new player in the top 20. The former Baylor University player edges up one spot to 20th.

Top 50 movers

Three players move into the world top 50 this week. American Lydia Gumm rises seven places to 48th. Chakansim Khamborn of Thailand moves four spots to 49th, while Korea’s Hye-jin Choi is the new number 50 with a rise of one ranking.

Biggest ranking improvement

American Sarah Hoffman makes the biggest improvement, rising 679 rankings to world number 1,988.